Masonry repair
Sweep & inspection
Caps & crowns
Flue relining
Gas fireplace serviceLevel 1 sweep and inspection to the NFPA 211 annual standard - flue, crown, cap, and flashing checked and photographed
Chimney sweep logs do not sweep chimneys. They loosen some creosote - which then falls where a brush and vacuum still have to collect it.
Fast, Reliable Gas Fireplace Repair Across Dallas
When a gas fireplace stops lighting or starts backdrafting into your living room in Dallas, you need a diagnosis you can trust and a fix that holds. Most gas fireplace issues we see across Dallas’s older brick homes trace to venting or firebox problems that a camera inspection can prove in ten minutes. We’re Alcott Chimney Dallas, and we’ve been repairing gas fireplaces in this city long enough to know that a 1930s Tudor in Lakewood needs a completely different approach than a 1980s ranch in Richardson. Call (361) 264-4483 and we’ll walk you through what’s wrong, what it costs, and when we can be there.
Why Alcott Chimney Dallas Is Dallas’s Preferred Gas Fireplace Repair Company
There’s a difference between a handyman with a multimeter and a chimney company that understands how Dallas’s housing stock ages. Our Gas Fireplace Repair team works on the exact failure patterns we describe on this page every week: acidic condensation eating mortar in Lakewood flues, rust-through on prefabricated metal chimneys in North Dallas ranches, backdrafting direct-vents in Garland and Richardson. Ruben Castellano built this operation on a simple rule: the homeowner sees what we see, and nothing gets recommended without camera evidence.
Every technician who arrives at your Dallas door is background-checked and identity-verified under the Threshold Standard. You’ll get the technician’s name and photo before the visit, and they’ll show a photo ID badge when they arrive. We put a written price in your hand before any work starts, and every repair carries a written 365-day guarantee: if the repair fails within the year, the second visit is free. That’s not a promotion. That’s the only way we do business.
Dallas homeowners have come to recognize this as the Alcott difference: a live person answers the phone 24/7, the price is settled before the work begins, and the technician at your door is exactly who we said was coming.
Styles & brands we work with
Our Gas Fireplace Repair Services in Dallas
Firebox Repair
Gas fireplaces in Dallas’s 1960s through 1980s brick ranch homes often sit in fireboxes that haven’t been touched since the house was built. Cracked firebrick, eroded refractory panels, and loose masonry joints aren’t cosmetic issues, they let heat reach combustible framing. In Dallas’s older homes, we regularly rebuild fireboxes with refractory mortar and replace damaged panels with HeatShield or Gelco materials specified for high-temperature gas appliance use. If your fireplace was converted from wood to gas decades ago, the original firebox is almost certainly undersized for the gas log set installed in it.
Smoke Chamber Repair
The smoke chamber is the corbeled brick section above the firebox, and it’s the most overlooked part of a Dallas chimney. In older masonry chimneys, especially the 1920s and 1930s structures common in Lakewood and East Dallas, the smoke chamber’s stepped brickwork creates deep recesses where gas exhaust cools and condenses. That acidic condensate eats the mortar, and the first hard freeze of a Dallas winter will pop loosened brick faces into the firebox below. We repair smoke chambers with a parge coat of insulating refractory mortar or HeatShield resurfacing when the damage runs deep.
Flue Liner Installation
A gas fireplace venting into an unlined brick flue is a documented safety problem in Dallas’s pre-1960 housing. Original brick flues were built for wood exhaust, not the acidic condensate produced by gas appliances, and we find spalled brick and dissolved mortar in old chimneys across East Dallas every season. We install properly sized DuraFlex and Olympia Chimney liners with sealed top plates and caps, sized to the specific gas appliance, not the old chimney’s interior dimensions. A liner is frequently the difference between using a fireplace safely and abandoning it.
Direct-Vent and B-Vent Repair
We also service the venting systems on newer gas fireplaces, the direct-vent and B-vent pipe running out the side or roof of your Dallas home. These systems fail when pipe sections shift after foundation movement (common in Dallas’s expansive clay soils), when joints separate from thermal cycling, or when rust advances through thin galvanized sections. A shifted vent can dump carbon monoxide into wall cavities or living space, so we treat any venting complaint as urgent.
What happens when you call
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A real person answersNo phone trees - you reach a local pro.
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You get an upfront price rangeHonest numbers before anyone is dispatched.
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A background-checked tech heads outLicensed & insured, dispatched right away.
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You approve before work beginsNothing starts until you say go.
Trusted Brands We Service in Dallas
We repair gas fireplaces and the venting systems they rely on, and we stock and install materials from the same trade brands Dallas chimney professionals specify: DuraFlex liner systems, HeatShield resurfacing compounds, Gelco refractory products, and Olympia Chimney components. These aren’t box-store substitutes. When we fit a liner in a Lakewood bungalow or rebuild a firebox in a North Dallas ranch, the materials are engineered for the temperatures and corrosive exhaust gases those appliances actually produce. Because we carry these products in our Dallas-Fort Worth warehouse inventory, turnaround on common repairs stays short: we’re not waiting on a specialty order from out of state while your fireplace sits dead through a cold snap.
See the difference
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After
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AfterCommon Gas Fireplace Repair Problems We See in Dallas Homes
- Backdrafting into 1960s-1980s prefabricated metal chimneys. Dallas’s summer humidity causes internal insulation in these older metal flues to break down, and once it fails, the flue cools too quickly and exhaust stalls. On a cold night, that stalled exhaust pushes back through the fireplace opening into the room. This is one of the most common calls we get from ranch-home owners in Richardson and Garland.
- Spalling and mortar erosion in unlined 1920s-1940s brick chimneys. Gas appliance exhaust is acidic, and in Lakewood and East Dallas, the original unlined brick was never meant to handle it. The mortar softens, the brick faces begin to shed, and the first hard freeze pops loosened shards into the firebox. Homeowners hear it as a faint trickle of debris when the fireplace runs.
- Cracked clay flue tiles from Dallas’s thermal cycling. Dallas summers bake the chimney crown and flue, and winter ice storms shock it cold. Repeated expansion and contraction cracks the clay tiles inside original masonry chimneys. Cracked tiles are invisible without a camera inspection, and they allow carbon monoxide and moisture to migrate into wall cavities and framing.
- Shifted direct-vent or B-vent pipe from expansive clay soils. Dallas sits on soils that swell and shrink with moisture, and that movement shifts venting sections out of alignment over time. A joint that separates inside a wall cavity is a carbon monoxide leak with no visible sign outside. We trace venting runs through the attic and walls to find exactly where the separation happened.
Pricing for Gas Fireplace Repair in Dallas, TX
Gas fireplace repair pricing in Dallas runs a wide range depending on what’s actually wrong. A simple thermocouple or igniter replacement typically runs $150 to $320. A firebox rebuild with refractory panels and mortar work usually lands between $600 and $1,400 depending on the size of the firebox and the extent of the damage. A smoke chamber parge coat runs $800 to $1,800 for typical Dallas masonry chimneys. A properly sized stainless liner system for a pre-1960 brick chimney in Lakewood or East Dallas runs $2,800 to $5,500 installed, including the liner, top plate, cap, and any flue prep the old chimney needs. We give you a written price before any work starts, and that price doesn’t move unless we find something you approved in writing. Call (361) 264-4483 and we’ll talk through the specifics of your fireplace. Estimates are free.
We Also Serve Cities Near Dallas
Our crews handle gas fireplace repair throughout the Dallas metro, and we regularly send technicians to Dallas neighborhoods as well as Lancaster, Grand Prairie, Richardson, and Garland. If you’re in one of those cities and need gas fireplace service, call (361) 264-4483 and we’ll confirm our schedule for your area. The same written pricing, name-and-photo technician preview, and 365-day guarantee apply everywhere we work.
Serving Dallas, TX - Our Local Coverage Area
We’re based in the Dallas area and know this community well. Use the map below to see our service coverage - if you’re nearby, we can almost certainly help.
FAQs – Gas Fireplace Repair in Dallas
In most cases, yes. The fix is a properly sized stainless liner installed the full length of the flue, with a sealed top plate and cap. The liner contains the acidic exhaust and protects the old brick from further deterioration. Not every chimney qualifies for a liner, some have structural damage that needs masonry work first, but the camera inspection we run will show you exactly what your chimney needs. Call (361) 264-4483 and we’ll schedule the inspection.
The insulation inside those older factory-built metal chimneys breaks down over time, especially after decades of Dallas summer humidity cycling through the flue. Once that insulation fails, the flue loses draft too quickly and the exhaust can’t rise. On a cold night, the exhaust stalls and pushes back into the living space. We identify this by running a camera up the flue and checking the chimney’s draft performance, then we replace the failing sections or reline the chimney properly.
For any pre-1960 brick chimney in Dallas that vents a gas appliance, you need a Level 2 inspection with a camera. A Level 1 is a visual check of accessible areas, and it cannot see inside the flue, which is exactly where gas-related damage happens: spalled brick faces, eroded mortar, cracked clay tiles, and smoke chamber deterioration. If you bought a house in Lakewood or East Dallas with an existing gas fireplace, a Level 2 camera inspection is the only way to know whether the chimney is safe to use. Call (361) 264-4483 and we’ll explain what the inspection covers and what it costs.
In most Dallas ranch homes, the first sign is a faint combustion smell in the room when the fireplace runs, or pilot light problems that don’t trace back to the thermocouple. Sometimes you’ll see condensation or rust staining where the vent exits the wall or roof. Shifting happens because Dallas’s expansive clay soils move enough to pull vent sections out of alignment over time. If you’re noticing any of these signs, treat it as urgent: a separated vent joint can leak carbon monoxide. Call (361) 264-4483 and we’ll trace the venting run and find the separation.
Yes. The liner has to be sized to the specific gas appliance and the specific chimney dimensions, and older brick chimneys in Dallas’s Craftsmans often have interior dimensions that don’t match modern liner sizing charts. We measure the actual flue, assess the existing masonry condition, and then specify a liner that fits both the chimney and the appliance. It’s not a one-size-fits-all part from a shelf. Call (361) 264-4483 and we’ll tell you exactly what your chimney needs.
Written by Ruben Castellano, Owner at Alcott Chimney Dallas, serving Dallas since 2002.